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Gaia Data Release 2: Properties and validation of the radial velocities

Katz, D; Sartoretti, P; Cropper, Mark; Panuzzo, P; Seabroke, G. M; Viala, Y; Benson, K; Blomme, R; Jasniewicz, G; Jean-Antoine, A; Zerjal, Maruska

Description

Context. For Gaia DR2, 280 million spectra collected by the Radial Velocity Spectrometer instrument on board Gaia were processed, and median radial velocities were derived for 9.8 million sources brighter than GRVS = 12 mag. Aims. This paper describes the validation and properties of the median radial velocities published in Gaia DR2. Methods. Quality tests and filters were applied to select those of the 9.8 million radial velocities that have the quality to be published in Gaia...[Show more]

CollectionsANU Research Publications
Date published: 2019
Type: Journal article
URI: http://hdl.handle.net/1885/264198
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/201833273

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